diff --git a/ohlhafv/models.py b/ohlhafv/models.py
index a17288f..070a662 100644
--- a/ohlhafv/models.py
+++ b/ohlhafv/models.py
@@ -41,4 +41,5 @@ class OhlhafvChallenge(models.Model):
         """Return model info."""
         return _('Ohlhafv challenge: {} vs. {}').format(self.challenger, self.victim)
 
+
 auditlog.register(OhlhafvChallenge)
diff --git a/webapp/utils.py b/webapp/utils.py
index 17f624b..e2869a5 100644
--- a/webapp/utils.py
+++ b/webapp/utils.py
@@ -6,6 +6,7 @@ from django.core.mail import send_mail
 from datetime import timedelta
 import logging
 
+
 def month_from_now():
     """Return date one month from now."""
     return timezone.now() + timedelta(days=30)